Hmm... counting up the number of devices our family has owned over the past few years then I think it would be 8 sets of each. There's 4 iPads in the family and there's been 4 iPhones too. A lightning cable and some earpods came with each one.
Quite a few yet it still feels like I barely have any. Three iPhones, one iPod Touch 5g, and one iPad mini 2. Actually, I can see why I don't have that many now
I did buy one AC Adapter and a lightning cable though, and another amazon basics one that gets the job done for sure.
So that makes four pairs of earpods (I only know of three, I think I lost a pair) two of those went through the wash and sound a bit more tinny than before, but still are pretty okay. Sound is a little bit uneven too between left and right in terms of volume but it isn't nearly as bad as it was before. I have five lightning cables that came with devices, and two extras I bought apparently. Not sure if I have all of them around or if I lost some of those too. All are working okay, even the one I got way back in October of 2012, it is showing stress around both ends of the cable though.